Table 1
Effect of water stress (control vs. water stress) on shoot dry weight (g) and shoot K+ accumulation (% DW) in different sunflower cultivars. The plants were grown in pots with perlite watering them with a standard nutrient solution for 14 days. Then, 50% of the plants were subjected to water stress by applying deficit irrigations for
15 days. Numbers in brackets indicate the percentage of shoot growth inhibition of water-stressed plants with respect to control ones. For all treatments, values are means of 4 replicates standard error. Different capital letters indicate significant differences between levels for the same factor (P